hadoop workflow

High-availability Hadoop platform-Hadoop Scheduling for Oozie Workflow1. Overview In the "high-availability Hadoop platform-Oozie Workflow" article, I will share with you how to integrate a single plug-in such as Oozie. Today, we will show you how to use Oozie to create related workflows for running and

What is Azkaban? (a)Functional characteristics of Azkaban (II.)Architecture of the Azkaban (iii)Not much to say, directly on the dry goods!Http://www.cnblogs.com/zlslch/category/938837.htmlCurrently, there are two of the most popular Hadoop workflow engine schedulers Azkaban and Oozie on the market.Specifically, you can look further at my blog.Azkaban Concept Learning Series http://www.cnblogs.com/zlslch/ca

IntroducedAzkaban is a mission scheduling system for Twitter, which is much simpler and more intuitive to operate than Oozie, and provides a simple function. Azkaban schedules the execution unit with flow, which is a predefined workflow that consists of one or more jobs that can exist in a dependency relationship. Azkaban's official homepage is http://azkaban.github.io/azkaban2/, and its main features are the following: Compatible with all

High-availability Hadoop platform-Oozie Workflow1. Overview When developing and using Hadoop-related applications, we can directly use Crontab to schedule related applications without complicated services and few tasks. Today, we will introduce the system for unified management of various scheduling tasks. The following is the content directory shared today: Content Oozie Server Preview Let's start tod

Previously written mapreduce principle and workflow, including a small number of yarn content, because yarn is originally from MRV1, so the two are inextricably linked, in addition, as a novice also in the carding stage, so the content of the record will be more or less confusing or inaccurate, And please forgive us. The structure is as follows: first, briefly introduce the resource management in Mrv1, and then outline the yarn. MRV1 This phase of re

Ext.: http://www.cnblogs.com/carysun/archive/2009/01/11/receiveactivity.htmlIf you have ever been in charge of developing an ERP system or OA system, the workflow will not be a stranger to you. A workflow (Workflow) is an abstraction, generalization, and description of the business rules between a workflow and its vari

Workflow Notes 2 -- state machine workflow, Workflow workflowState Machine Workflow In the previous Workflow Note 1-Workflow introduction, the flowchart Workflow is introduced. Later, M

can be viewed as NamenodeJobtracker-Job Management services for parallel computingNode Services for Datanode-hdfsTasktracker-Job execution services for parallel computingManagement Services for Hbase-master-hbaseHbase-regionserver-Provide services for client-side inserts, deletes, query data, etc.Zookeeper-server-zookeeper collaboration and Configuration Management ServicesManagement Services for Hive-server-hiveHive-metastore-hive, used for type checking and parsing of meta dataOozie-oozie is

SharePoint workflows are based on the Workflow Foundation. Let's talk about WF first. Only by having a correct understanding of WF can we find the SharePoint workflow solution. Two of the most notable features of the Workflow Foundation Directly supporting the State Machine Model State machines are the theoretical basis of workflows, but in the past few

Windows Workflow Foundation (7)-sequential workflow and state machine Workflow Sequential Workflow MS-help: // Ms. winwf. v1.en/winwf_gettingstarted/html/EA 68a 735 -5A 68-43b4-8ed8-b3bc 9842f 4ba.htm The sequential